/****************************************************************************
 * Copyright 2009 Huascar A. Sanchez                                        *
 *                                                                          *
 * Licensed under the Apache License, Version 2.0 (the "License");          *
 * you may not use this file except in compliance with the License.         *
 * You may obtain a copy of the License at                                  *
 *                                                                          *
 *     http://www.apache.org/licenses/LICENSE-2.0                           *
 *                                                                          *
 * Unless required by applicable law or agreed to in writing, software      *
 * distributed under the License is distributed on an "AS IS" BASIS,        *
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
 * See the License for the specific language governing permissions and      *
 * limitations under the License.                                           *
 ****************************************************************************/
package com.gotobject.filter.internal;

import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import com.gotobject.filter.internal.Pair;
import com.gotobject.filter.internal.ToStrings;

/**
 * @author huascar.sanchez@gmail.com (Huascar A. Sanchez)
 */
public class ToStringsTest {
    @Test
    public void testSimpleToStringCreation() throws Exception {
        final Object s = configureToString(Pair.of("name", "Bella"), Pair.of("lastname","who knows!"));
        assertEquals("two toStrings should be equal", "Simple(name=Bella, lastname=who knows!)", s.toString());
    }


    @Test(expected = IllegalArgumentException.class)
    public void testMissingArgumentsContract() throws Exception {
        final Object o = configureToString(null, null);
        fail("error if it gets here. See: " + o);
    }


    private static Object configureToString(final Pair<String, String>... pairs){
        class Simple {
            @Override
            public String toString() {
                return ToStrings.toString(
                        this,
                        pairs
                );
            }
        }

        return new Simple();
    }

}
